SAUFX vs. MYFRX

Last updated Aug 4, 2026

SAUFX (SA U.S. Fixed Income Fund) and MYFRX (Pioneer Multi-Asset Ultrashort Income Fund) are both Ultrashort Bond funds. Over the past 10 years, SAUFX returned 1.22%/yr vs 2.81%/yr for MYFRX. Their 0.03 correlation means their historical movements had little consistent relationship. SAUFX charges 0.40%/yr vs 0.44%/yr for MYFRX.

Performance

SAUFX vs. MYFRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SA U.S. Fixed Income Fund (SAUFX) and Pioneer Multi-Asset Ultrashort Income Fund (MYFRX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SAUFX achieves a 0.85% return, which is significantly lower than MYFRX's 1.87% return. Over the past 10 years, SAUFX has underperformed MYFRX with an annualized return of 1.22%, while MYFRX has yielded a comparatively higher 2.81% annualized return.

SAUFX

• 1D: -0.21%
• 1M: -0.31%
• 6M: 0.65%
• YTD: 0.85%
• 1Y: 3.19%
• 3Y*: 4.09%
• 5Y*: 1.63%
• 10Y*: 1.22%
• ALL TIME*: 1.10%

MYFRX

• 1D: 0.00%
• 1M: -0.21%
• 6M: 1.46%
• YTD: 1.87%
• 1Y: 3.52%
• 3Y*: 4.89%
• 5Y*: 3.90%
• 10Y*: 2.81%
• ALL TIME*: 2.26%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
MYFRX Pioneer Multi-Asset Ultrashort Income Fund	$0.00	$0.00	$0.00
SAUFX SA U.S. Fixed Income Fund	$0.00	$0.00	$0.00

SAUFX vs. MYFRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SAUFX SA U.S. Fixed Income Fund	0.85%	4.85%	5.23%	4.04%	-5.11%	-1.38%	0.61%	2.27%	1.28%	0.24%
MYFRX Pioneer Multi-Asset Ultrashort Income Fund	1.87%	4.68%	6.25%	6.32%	0.26%	1.56%	-0.51%	3.34%	1.80%	1.80%

Correlation

The correlation between SAUFX and MYFRX is 0.21, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.21
Correlation (3Y) Balances recent behavior with more history.	0.10
Correlation (5Y) Shows whether the relationship held over a longer period.	0.05
Correlation (10Y) Provides a long-term view across more market conditions.	0.03
Correlation (All Time) Calculated using the full available price history since Apr 29, 2011	0.03

The correlation between SAUFX and MYFRX shifts across timeframes, from 0.03 (10 years) to 0.21 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

SAUFX vs. MYFRX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

SAUFX

SAUFX Risk / Return Rank: 90
SAUFX Sharpe Ratio Rank: 85
SAUFX Sortino Ratio Rank: 89
SAUFX Omega Ratio Rank: 89
SAUFX Calmar Ratio Rank: 94
SAUFX Martin Ratio Rank: 94

MYFRX

MYFRX Risk / Return Rank: 98
MYFRX Sharpe Ratio Rank: 95
MYFRX Sortino Ratio Rank: 99
MYFRX Omega Ratio Rank: 99
MYFRX Calmar Ratio Rank: 99
MYFRX Martin Ratio Rank: 99

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

SAUFX vs. MYFRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SA U.S. Fixed Income Fund (SAUFX) and Pioneer Multi-Asset Ultrashort Income Fund (MYFRX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	SAUFX	MYFRX	Difference
Sharpe ratio: Return per unit of total volatility	2.10	2.62	-0.52
Sortino ratio: Return per unit of downside risk	3.32	7.92	-4.59
Omega ratio: Gain probability vs. loss probability	1.46	2.81	-1.35
Calmar ratio: Return relative to maximum drawdown	4.05	11.68	-7.63
Martin ratio: Return relative to average drawdown	15.21	36.87	-21.66

SAUFX vs. MYFRX - Sharpe Ratio Comparison

The current SAUFX Sharpe Ratio is 2.10, which is comparable to the MYFRX Sharpe Ratio of 2.62. The chart below compares the historical Sharpe Ratios of SAUFX and MYFRX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

SAUFX vs. MYFRX - Drawdown Comparison

The maximum SAUFX drawdown since its inception was -7.43%, smaller than the maximum MYFRX drawdown of -10.08%. Use the drawdown chart below to compare losses from any high point for SAUFX and MYFRX.

Drawdown Indicators

	SAUFX	MYFRX	Difference
Max Drawdown Largest peak-to-trough decline	-7.43%	-10.08%	+2.65%
Max Drawdown (1Y) Largest decline over 1 year	-0.84%	-0.31%	-0.53%
Max Drawdown (3Y) Largest decline over 3 years	-1.86%	-0.73%	-1.13%
Max Drawdown (5Y) Largest decline over 5 years	-7.16%	-1.52%	-5.64%
Max Drawdown (10Y) Largest decline over 10 years	-7.43%	-10.08%	+2.65%
Current Drawdown Current decline from peak	-0.42%	-0.21%	-0.21%
Average Drawdown Average peak-to-trough decline	-0.74%	-0.26%	-0.48%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.22%	0.10%	+0.12%

Volatility

SAUFX vs. MYFRX - Volatility Comparison

SA U.S. Fixed Income Fund (SAUFX) has a higher volatility of 0.46% compared to Pioneer Multi-Asset Ultrashort Income Fund (MYFRX) at 0.24%. This indicates that SAUFX's price experiences larger fluctuations and is considered to be riskier than MYFRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SAUFX	MYFRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.46%	0.24%	+0.22%
Volatility (6M) Calculated over the trailing 6-month period	1.22%	0.97%	+0.25%
Volatility (1Y) Calculated over the trailing 1-year period	1.63%	1.45%	+0.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.10%	1.62%	+0.48%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.54%	1.84%	-0.30%

SAUFX vs. MYFRX - Expense Ratio Comparison

SAUFX has a 0.40% expense ratio, which is lower than MYFRX's 0.44% expense ratio.

Dividends

SAUFX vs. MYFRX - Dividend Comparison

SAUFX's dividend yield for the trailing twelve months is around 4.24%, more than MYFRX's 4.19% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MYFRX Pioneer Multi-Asset Ultrashort Income Fund	4.19%	4.99%	5.63%	4.74%	2.35%	1.34%	1.92%	2.98%	2.60%	1.88%	1.77%	1.36%
SAUFX SA U.S. Fixed Income Fund	4.24%	3.38%	4.91%	2.58%	1.26%	0.00%	0.41%	1.86%	1.47%	0.74%	0.43%	0.26%

Frequently Asked Questions

Can I hold both SAUFX and MYFRX in my portfolio?

SAUFX and MYFRX have a correlation of 0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SAUFX or MYFRX?

SAUFX has higher volatility (0.46%) compared to MYFRX (0.24%). In terms of maximum drawdown, SAUFX dropped -7.43% vs MYFRX's -10.08%.

Which has better risk-adjusted returns?

MYFRX currently has the higher Sharpe Ratio (2.62 vs 2.10), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.